| DORIS | Department of Records and Information Services 
| Others |
| DORIS | Dependable Organized Reliable Insurance Systems
| Others |
| DORIS | Digital Object Repository Integrated System
| Others |
| DORIS | DIRECTV Online Reference Information System
| Others |
| DORIS | Disposal Organic Revolutionary Innovative System
| Others |
| DORIS | Document Organisation Referral and Information Service
| Others |
| DORIS | Domestic Operations Resources And Information System
| Others |
| DORIS | Doppler Orbitography and Radiopositioning Integrated by Satellite
| Others |
| DORIS | Dynamic Operations and Reusable Information Storage
| Others |